Directory of Power Plants in Wisconsin
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Cashton Greens Wind Farm | Cashton Greens Wind Farm LLC | Cashton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.8 GWh | Apr 2012 | Dec 2025 | Wind |
| Cumberland (WI) | City of Cumberland - (WI) | Cumberland, WI | Midcontinent Independent System Operator, Inc. (MISO) | 269.0 MWh | Jul 1939 | Dec 2025 | Distillate Fuel Oil : 62.7% Natural Gas : 37.3% |
| Combined Locks | City of Kaukauna (WI) | Combined Locks, WI | Midcontinent Independent System Operator, Inc. (MISO) | 42.6 GWh | Jan 1988 | Dec 2025 | Water |
| Consumer Operations LLC | Georgia-Pacific Consumer Oper. Green Bay LLC | Green Bay, WI | Midcontinent Independent System Operator, Inc. (MISO) | 239.2 GWh | Dec 1953 | May 2026 | Natural Gas |
| Cashton Solar | Green Street Power Partners | Cashton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Aug 2019 | Dec 2025 | Solar |
| Cumberland Solar | Green Street Power Partners | Cumberland, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Aug 2019 | Dec 2025 | Solar |
| Custer Energy Center | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.1 GWh | May 1999 | Dec 2025 | Natural Gas |
| Combined Locks Energy Center | McKinley Paper | Combined Locks, WI | Midcontinent Independent System Operator, Inc. (MISO) | 301.6 GWh | Apr 2002 | Dec 2025 | Natural Gas |
| Chippewa Falls | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 56.1 GWh | Dec 1927 | Dec 2025 | Water |
| Cornell | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 69.9 GWh | Jun 1976 | Dec 2025 | Water |
| Cedar Falls (WI) | Northern States Power Co - Minnesota | Menomonie, WI | Midcontinent Independent System Operator, Inc. (MISO) | 30.9 GWh | Dec 1909 | Dec 2025 | Water |
| Conrath DPC Solar | SoCore Energy LLC | Conrath, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.5 GWh | May 2017 | Dec 2025 | Solar |
| Cashton | Village of Cashton - (WI) | Cashton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.8 MWh | Jul 1932 | Dec 2025 | Distillate Fuel Oil : 98.3% Natural Gas : 1.7% |
| Concord | Wisconsin Electric Power Co | Watertown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 203.4 GWh | Jun 1993 | Dec 2025 | Natural Gas : 98.9% Distillate Fuel Oil : 1.1% |
| City of Milwaukee Landfill | Wisconsin Electric Power Co | Milwaukee, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.2 GWh | Jan 2021 | Dec 2025 | Solar |
| CREE | Wisconsin Electric Power Co | Racine, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Jul 2021 | Dec 2025 | Solar |
| Caledonia Solar WI, LLC | Wisconsin Electric Power Co | Caledonia, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.0 GWh | Mar 2025 | Dec 2025 | Solar |
| Columbia (WI) | Wisconsin Power & Light Co | Pardeville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 TWh | Apr 1975 | May 2026 | Subbituminous Coal : 99.9% |
| Cedar Ridge | Wisconsin Power & Light Co | Eden, WI | Midcontinent Independent System Operator, Inc. (MISO) | 184.8 GWh | Nov 2008 | Dec 2025 | Wind |
| Cassville Solar | Wisconsin Power & Light Co | Cassville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 98.7 GWh | Nov 2023 | May 2026 | Solar |
| Crawfish River | Wisconsin Power & Light Co | Jefferson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 129.7 GWh | Nov 2023 | May 2026 | Solar |
| Caldron Falls | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.9 GWh | Oct 1924 | Dec 2025 | Water |
| Castle Rock | Wisconsin River Power Company | Adams, WI | Midcontinent Independent System Operator, Inc. (MISO) | 83.3 GWh | Jul 1950 | Dec 2025 | Water |
| Clam River Dam | Zero6 Energy Hydro | Danbury, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Mar 1942 | Dec 2025 | Water |
Browse Power Plants By Wisconsin Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Richland County, WI | # 32 | 4 | 107.5 GWh |
| Adams County, WI | # 33 | 2 | 98.8 GWh |
| Portage County, WI | # 34 | 7 | 92.9 GWh |
| La Crosse County, WI | # 35 | 3 | 69.1 GWh |
| Dunn County, WI | # 36 | 5 | 60.8 GWh |
| Florence County, WI | # 37 | 3 | 60.5 GWh |
| Eau Claire County, WI | # 38 | 3 | 37.1 GWh |
| Oneida County, WI | # 39 | 3 | 27.1 GWh |
| Walworth County, WI | # 40 | 5 | 24.1 GWh |
| Oconto County, WI | # 41 | 3 | 23.3 GWh |
| Langlade County, WI | # 42 | 2 | 17.9 GWh |
| St. Croix County, WI | # 43 | 5 | 17.8 GWh |
| Barron County, WI | # 44 | 7 | 17.0 GWh |
| Price County, WI | # 45 | 6 | 14.0 GWh |
| Jackson County, WI | # 46 | 4 | 12.8 GWh |
| Monroe County, WI | # 47 | 3 | 12.8 GWh |
| Sawyer County, WI | # 48 | 4 | 12.7 GWh |
| Kewaunee County, WI | # 49 | 3 | 12.0 GWh |
| Shawano County, WI | # 50 | 1 | 12.0 GWh |
| Green Lake County, WI | # 51 | 1 | 11.6 GWh |
| Iron County, WI | # 52 | 1 | 9.1 GWh |
| Washburn County, WI | # 53 | 4 | 8.8 GWh |
| Trempealeau County, WI | # 54 | 2 | 7.4 GWh |
| Burnett County, WI | # 55 | 6 | 7.2 GWh |
| Waukesha County, WI | # 56 | 2 | 6.3 GWh |
| Vernon County, WI | # 57 | 5 | 6.3 GWh |
| Clark County, WI | # 58 | 2 | 3.7 GWh |
| Pierce County, WI | # 59 | 2 | 3.4 GWh |
| Taylor County, WI | # 60 | 2 | 3.2 GWh |
| Door County, WI | # 61 | 1 | 5.0 MWh |